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Mathematical Proof

Express 121 a...

Question

Express 121 as the sum of 11 odd numbers.

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Solution

121 is the square of 11. Therefore it is the sum of 11 odd numbers

121 = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21

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Question 8 (ii)
Express 121 as the sum of 11 odd numbers.

Q. State whether true or false:

121 can be expressed as the sum of 11 odd numbers.

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